body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: #f4f4f9;
  color: #333;
  margin: 0;
  padding: 20px;
  display: flex;
  justify-content: center;
}

.container {
  background-color: #fff;
  padding: 30px;
  border-radius: 8px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  width: 100%;
  max-width: 500px;
}

h1 {
  text-align: center;
  color: #444;
}

.add-form {
  display: flex;
  margin-bottom: 20px;
}

.add-form input {
  flex-grow: 1;
  padding: 10px;
  border: 1px solid #ddd;
  border-radius: 4px;
}

.add-form button {
  padding: 10px 15px;
  border: none;
  background-color: #5c67f2;
  color: white;
  border-radius: 4px;
  margin-left: 10px;
  cursor: pointer;
}

.todo-list li {
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px;
  border-bottom: 1px solid #eee;
}

.todo-list li:last-child {
  border-bottom: none;
}

.delete-btn {
  background-color: #e53935;
  color: white;
  border: none;
  padding: 5px 10px;
  border-radius: 4px;
  cursor: pointer;
}